shithub: aubio

ref: 9d6001cb8ac52f1245a05964dc50443a20ab1158
dir: /interfaces/python/demo_filterbank.py/

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from aubio import filterbank, fvec

f = filterbank(9, 1024)
freq_list = [60, 80, 200, 400, 800, 1600, 3200, 6400, 12800, 15000, 24000]
freqs = fvec(freq_list)
f.set_triangle_bands(freq_list, 48000)
f.get_coeffs().T

from pylab import loglog, show
loglog(f.get_coeffs().T, '+-')
show()